Xay Dung Khanh Dung Address: No 12, Tieu Khu 20, Hat Lot Town, Mai Son District, Son La Province Enterprise code: 5500286035 Phone: 0212843993 Representative: Nguyen Van Khanh Adress: No 12, Tieu Khu 20, Hat Lot Town, Mai Son District, Son La Province Hat Lot Town, Mai Son District, Son La ProvinceFounding date: 15 - 6 - 2007